A visit — yours or an inspector's — is the surest check on a new supplier. Send a date and what you want to see; the request reaches them as an enquiry you can track.
Address
Room 2222, 22nd Floor, Building 1, Wanxiang Times Garden, Wangde Mansion, 676 Renmin East Road, Dong'an Street, Furong District, Changsha City, Hunan Province